Textures not showing after Collada Export
Don't export from cycles but from the Blender internal.
Make sure the model is unwrapped.
Make sure the mapping coordinates is set to UV Map.
Make sure the UV map is assigned.


















This video shows the steps for applying the texture to a sphere (with "cillinder projection"):

https://www.youtube.com/watch?v=DaA_YJx7Auw&amp;feature=youtu.be